Verfahren und Vorrichtung zur Herstellung eines Blechpaketes

Details

Veröffentlichungs-Nr.

EP4787682

Anmeldetag

25. September 2024

Veröffentlichung

3. April 2025

Rechtsraum

EP

IPC

H02K15/02

Abstract

Provided is a method and a device for producing a lamination core, capable of predicting generation of weld cracks to further improve suppressing the weld cracks. The method for manufacturing a lamination core 1 in which a plurality of core pieces 7 are laminated, pressurizes and welds the lamination core 1 in a laminating direction, and controls accumulation of a compression amount of the lamination core 1 due to the pressurizing, a shrinkage amount at a welded portion of the lamination core 1 in the laminating direction, and a spring-back amount of the lamination core 1 due to release of the pressurizing to be within a compression limit of the lamination core 1.

Anmelder

Firma

NHK Spring Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete